it comes aft september 11 attack on the american consulate in benghazi that killed ambassador chris stevens. the weapons collected are just a fraction of the arms taken from qaddafi's arsenals during the rebellion. >>> to americans were killed in an attack in afghanistan. it happened at a check point just west of kabul. they do not have the exact details of what happened but some witnesses say an afghan soldier shot at americans who then returned fire. during the ensuing battle, a mortar shell killed an american soldier and an american contractor. officials say the afghan who fired first was killed in the shootout. 2,000 american service members have now died in afghanistan since the u.s.-led invasion in 2001. >>> the youngest prisoner at guantanamo bay has been returned to canada after spending a decade in custody. omar gutter was 15 years old when he was captured in a bombed out afghan compound and taken into u.s. custody. in 2010 he pleaded guilty to murdering a u.s. soldier as part of a plea deal, he returned to canada. authorities say he was taken to afghanistan by his father who is sa